ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,846, issued on Dec. 9.
"Weighted blanket" was invented by Min Cheng (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A weighted blanket is provided, including a blanket body. The blanket body is knitted from a thick yarn, the thick yarn includes a flexible mesh body, the flexible mesh body extends along an axial direction of the thick yarn, and the flexible mesh body forms ventilation mesh holes. The thick yarn inherently provides sufficient weight, eliminating a need for additional weighting materials, thereby preventing uneven pressure distribution. The flexible mesh body of the thick yarn combines softness with enhanced breathabilit...